[Event "URS-ch31 Final"]
[Site "Leningrad"]
[Date "1963.11.??"]
[Round "1"]
[White "Nei, Iivo"]
[Black "Taimanov, Mark E"]
[Result "1/2-1/2"]

1. Nf3 Nf6 2. c4 g6 3. d4 Bg7 4. Nc3 O-O 5. e4 d6 6. Be2 e5 7. d5 h6 8. h3 Nh7 9. g4 f5 10. gxf5 gxf5 11. exf5 Bxf5 12. Be3 Na6 13. Qd2 Qf6 14. O-O-O Nb4 15. Rdg1 Kh8 16. Nh2 Nc2 17. Ng4 Bxg4 18. Qxc2 Bf5 19. Bd3 a6 20. Bxf5 Qxf5 21. Rg6 Qxc2+ 22. Kxc2 Rf6 23. Rhg1 Rxg6 24. Rxg6 Nf8 25. Rg4 Kh7 26. c5 dxc5 27. Bxc5 Ng6 28. Rb4 b6 29. Be3 b5 30. a4 Bf8 31. Rg4 Ne7 32. axb5 axb5 33. Re4 Bg7 34. Rb4 c6 35. dxc6 Nxc6 36. Rxb5 Nd4+ 37. Bxd4 exd4 38. Ne4 Rf8 39. Rb3 Rf4 40. f3 Kg6 41. Kd2 Kh5 42. Ke2 Kh4 43. Kf2 Kxh3 44. Rb7 Bf6 45. b4 Bh4+ 1/2-1/2